Finding the Fourth Proportional to 135,087,275.72, 186,420,599.87 and 73,207,614.28
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Solution
The fourth proportional to 135,087,275.72, 186,420,599.87 and 73,207,614.28 is: 101,026,594.07
Step by Step Solution
- Step 1: Write the proportion equation
135,087,275.72 : 186,420,599.87 = 73,207,614.28 : x - Step 2: Convert to fraction form
135,087,275.72/186,420,599.87 = 73,207,614.28/x - Step 3: Cross multiply
135,087,275.72x = 186,420,599.87 × 73,207,614.28 - Step 4: Simplify right side
135,087,275.72x = 13,647,407,368,297,090 - Step 5: Solve for x
x = 13,647,407,368,297,090/135,087,275.72 - Step 6: Final answer
x = 101,026,594.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.